class Product {
  /// 名稱
  String? name;
  /// 數量
  String? number;
  /// 單價
  String? price;
  /// 差異數量
  String? differenceNumber;
  /// 差異原因
  String? differenceReason;
  
  Product({
    this.name,
    this.number,
    this.price,
    this.differenceNumber,
    this.differenceReason,
  });
}